Bag valve mask



FIG. 1 is a top, front and right side perspective view of a bag valve mask showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a top, front and left side perspective view thereof;

FIG. 9 is a bottom, rear and right side perspective view thereof; and,

FIG. 10 is a top, front and right side perspective view thereof, showing the bag valve mask in use.

The broken line showing of portions of the article and of attachments to the article is included for the purpose of illustrating environment and forms no part of the claimed design. 

CLAIM The ornamental design for a bag valve mask, as shown and described. 